19480735900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1489}}^1\times {\mathrm{3191}}^1$

素因数の和:4735

約数の個数: 72

約数和(自身を含む): 43346913120

約数和(自身を除く): 23866177220

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1489, 2050, 2978, 3191, 4100, 5956, 6382, 7445, 12764, 14890, 15955, 29780, 31910, 37225, 61049, 63820, 74450, 79775, 122098, 130831, 148900, 159550, 244196, 261662, 305245, 319100, 523324, 610490, 654155, 1220980, 1308310, 1526225, 2616620, 3052450, 3270775, 4751399, 6104900, 6541550, 9502798, 13083100, 19005596, 23756995, 47513990, 95027980, 118784975, 194807359, 237569950, 389614718, 475139900, 779229436, 974036795, 1948073590, 3896147180, 4870183975, 9740367950, 19480735900]

約数ペア:

[(1, 19480735900), (2, 9740367950), (4, 4870183975), (5, 3896147180), (10, 1948073590), (20, 974036795), (25, 779229436), (41, 475139900), (50, 389614718), (82, 237569950), (100, 194807359), (164, 118784975), (205, 95027980), (410, 47513990), (820, 23756995), (1025, 19005596), (1489, 13083100), (2050, 9502798), (2978, 6541550), (3191, 6104900), (4100, 4751399), (5956, 3270775), (6382, 3052450), (7445, 2616620), (12764, 1526225), (14890, 1308310), (15955, 1220980), (29780, 654155), (31910, 610490), (37225, 523324), (61049, 319100), (63820, 305245), (74450, 261662), (79775, 244196), (122098, 159550), (130831, 148900)]